<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户按钮</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户模板区域 -->
      <el-table :data="userLists" border stripe>
        <el-table-column type="index" label="#" align="center">
        </el-table-column>
        <el-table-column prop="username" label="姓名"> </el-table-column>
        <el-table-column prop="email" label="邮箱"> </el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"> </el-table-column>
        <el-table-column label="状态">
          <template slot-scope="{ row, $index }">
            <el-switch v-model="row.mg_state" @change="userStateChange(row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="{ row, $index }">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(row.id)"
            ></el-button>
            <!-- 分配角色 -->
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 3, 4, 5]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager,next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      top="100px"
      @close="addDialogClosed"
    >
      <!-- 添加用户表单 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="aditDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="aditDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户：{{ userInfo.username }}</p>
        <p>当前的角色：{{ userInfo.role_name }}</p>
        <p>
          分配新角色：<el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: "Users",
  props: [],
  data() {
    //自定义校验规则
    //邮箱的验证规则
    var checkEmail = (rule, value, callback) => {
      const regEMail =
        /^[A-Za-z\d]+([-_.][A-Za-z\d]+)*@([A-Za-z\d]+[-.])+[A-Za-z\d]{2,4}$/;
      if (!regEMail.test(value)) return callback(new Error("请输入合法的邮箱"));
      return callback();
    };
    //手机号的验证规则
    var checkMobile = (rule, value, callback) => {
      const regMobile = /^[1][0-9]{1,}$/;
      if (!regMobile.test(value))
        return callback(new Error("请输入合法的手机"));
      return callback();
    };
    return {
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 2,
      },
      userLists: [],
      total: 0,
      //添加用户对话框的隐藏与显示
      addDialogVisible: false,
      // 添加用户的数据
      addForm: {
        username: "123456",
        password: "123465",
        email: "123456@qq.com",
        mobile: "13000000000",
      },
      //添加用户表单的验证
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "用户名长度在3-10个字符",
            trigger: "blur",
            mobile: "",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "用户名长度在6-15个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      //修改用户的对话框的显示与隐藏
      aditDialogVisible: false,
      //修改用户表单第信息
      editForm: {},
      //修改验证规则
      editFormRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      //分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      //所有角色列表
      rolesList: [],
      //分配新角色的角色id
      selectedRoleId: "",
    };
  },
  computed: {},
  watch: {},
  methods: {
    //获取用户列表数据
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200)
        return this.$message.error("获取用户列表失败");
      this.userLists = res.data.users;
      this.total = res.data.total;
    },
    //监听pagesize改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    //监听页码值的变化
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    //修改状态信息
    async userStateChange(userInfo) {
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state;
        return this.$message.error("更新用户状态失败");
      }
      return this.$message.success("更新用户状态成功");
    },
    //添加用户对话框关闭
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    //点击确定按钮，添加用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        //验证成功  添加用户 users
        const { data: res } = await this.$http.post("users", this.addForm);
        console.log(res);
        if (res.meta.status !== 201) return this.$message.error(res.meta.msg);
        this.$message.success(res.meta.msg);
        this.addDialogVisible = false;
        //刷新用户列表
        this.getUserList();
      });
    },
    //展示编辑用户的对话框
    async showEditDialog(id) {
      //根据id 查找用户 users/:id get
      const { data: res } = await this.$http.get(`/users/${id}`);
      if (res.meta.status !== 200)
        return this.$message.error("查询用户信息失败");
      this.editForm = res.data;
      this.aditDialogVisible = true;
    },
    //关闭修改用户的对话框--重置表单
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    //点击确定修改的
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.put(
          `users/${this.editForm.id}`,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        );
        if (res.meta.status !== 200)
          return this.$message.error("修改用户信息失败");
        this.aditDialogVisible = false;
        this.getUserList();
        this.$message.success("更新用户信息成功");
      });
    },
    //删除用户
    async removeUserById(id) {
      //弹框提示
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      //如果点击按钮返回字符串 确定：confirm 取消： cancel
      if (confirmResult !== "confirm") return this.$message.info("已取消删除");
      //发送确定删除的请求 users/:id delete
      const { data: res } = await this.$http.delete(`users/${id}`);
      if (res.meta.status !== 200) return this.$message.error("删除用户失败");
      this.$message.success("删除用户成功");
      this.getUserList();
    },
    //展示分配角色的对话框
    async setRole(userInfo) {
      this.userInfo = userInfo;
      //获取所有的角色列表
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200)
        return this.$message.error("获取角色列表失败");
      this.rolesList = res.data;
      this.setRoleDialogVisible = true;
    },
    //点击分配角色对话框确定按钮
    async saveRoleInfo() {
      if (!this.selectedRoleId)
        return this.$message.error("请选择要分配的角色");
      // 地址 users/:id/role
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        { rid: this.selectedRoleId }
      );
      if (res.meta.status !== 200) return this.$message.error("更新角色失败");
      this.$message.success("更新角色成功");
      this.getUserList();
      this.setRoleDialogVisible = false;
    },
    //监听分配角色对话框的关闭事件
    setRoleDialogClosed() {
      this.selectedRoleId = "";
      this.userInfo = "";
    },
  },
  created() {
    this.getUserList();
  },
  mounted() {},
};
</script>

<style lang="less" scoped>
</style>